engineTiming Chain Torque Specsfor 1973 GMC C2500 402ci V8 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Camshaft sprocket boltsCritical20 lb-ft · 27 Nm——Harmonic balancer boltCritical60 lb-ft · 81 Nm——Oil pan front bolts16 lb-ft · 22 Nm——Timing cover bolts7 lb-ft · 10 Nm——Water pump bolts30 lb-ft · 41 Nm—📝 Suggest a correction to this torque spec